mirror of
https://github.com/FiloSpaTeam/plutus-pioneer-program.git
synced 2024-11-22 06:42:00 +01:00
Merge branch 'main' into solutions
This commit is contained in:
Lars Brünjes
commit
d8678326a8
13 changed files with 1051 additions and 0 deletions
17
README.md
17
README.md
|
|
@ -43,6 +43,14 @@
|
|||
- Commit schemes.
|
||||
- State machines.
|
||||
|
||||
- [Lecture #8](https://youtu.be/JMRwkMgaBOg)
|
||||
|
||||
- Another state machine example: token sale.
|
||||
- Automatic testing using emulator traces.
|
||||
- Interlude: optics.
|
||||
- Property based testing with `QuickCheck`.
|
||||
- Testing Plutus contracts with property based testing.
|
||||
|
||||
## Code Examples
|
||||
|
||||
- Lecture #1: [English Auction](code/week01)
|
||||
|
|
@ -52,6 +60,7 @@
|
|||
- Lecture #5: [Minting Policies](code/week05)
|
||||
- Lecture #6: [Oracles](code/week06)
|
||||
- Lecture #7: [State Machines](code/week07)
|
||||
- Lecture #8: [Testing](code/week08)
|
||||
|
||||
## Exercises
|
||||
|
||||
|
|
@ -97,6 +106,12 @@
|
|||
|
||||
- Implement the game of "Rock, Paper, Scissors" using state machines.
|
||||
|
||||
- Week #8
|
||||
|
||||
- Add a new operation `close` to the `TokenSale`-contract that allows the seller to close the contract and
|
||||
retrieve all remaining funds (including the NFT).
|
||||
- Modify the tests accordingly.
|
||||
|
||||
## Solutions
|
||||
|
||||
- Week #2
|
||||
|
|
@ -126,6 +141,8 @@
|
|||
## Some Plutus Modules
|
||||
|
||||
- [`Plutus.Contract.StateMachine`](https://github.com/input-output-hk/plutus/blob/master/plutus-contract/src/Plutus/Contract/StateMachine.hs), contains types and functions for using state machines.
|
||||
- [`Plutus.Contract.Test`](https://github.com/input-output-hk/plutus/blob/master/plutus-contract/src/Plutus/Contract/Test.hs), provides various ways to write tests for Plutus contracts.
|
||||
- [`Plutus.Contract.Test.ContractModel`](https://github.com/input-output-hk/plutus/blob/master/plutus-contract/src/Plutus/Contract/Test/ContractModel.hs), support for property based testing of Plutus contracts.
|
||||
- [`Plutus.PAB.Webserver.API`](https://github.com/input-output-hk/plutus/blob/master/plutus-pab/src/Plutus/PAB/Webserver/API.hs), contains the HTTP-interface provided by the PAB.
|
||||
- [`Plutus.Trace.Emulator`](https://github.com/input-output-hk/plutus/blob/master/plutus-contract/src/Plutus/Trace/Emulator.hs), contains types and functions related to traces.
|
||||
- [`Plutus.V1.Ledger.Ada`](https://github.com/input-output-hk/plutus/blob/master/plutus-ledger-api/src/Plutus/V1/Ledger/Ada.hs), contains support for the Ada currency.
|
||||
|
|
|
|||
23
code/week08/.devcontainer/devcontainer.json
Normal file
23
code/week08/.devcontainer/devcontainer.json
Normal file
|
|
@ -0,0 +1,23 @@
|
|||
{
|
||||
"name": "Plutus Starter Project",
|
||||
"image": "plutus-devcontainer:latest",
|
||||
|
||||
"remoteUser": "plutus",
|
||||
|
||||
"mounts": [
|
||||
// This shares cabal's remote repository state with the host. We don't mount the whole of '.cabal', because
|
||||
// 1. '.cabal/config' contains absolute paths that will only make sense on the host, and
|
||||
// 2. '.cabal/store' is not necessarily portable to different version of cabal etc.
|
||||
"source=${localEnv:HOME}/.cabal/packages,target=/home/plutus/.cabal/packages,type=bind,consistency=cached",
|
||||
],
|
||||
|
||||
"settings": {
|
||||
// Note: don't change from bash so it runs .bashrc
|
||||
"terminal.integrated.shell.linux": "/bin/bash"
|
||||
},
|
||||
|
||||
// IDs of extensions inside container
|
||||
"extensions": [
|
||||
"haskell.haskell"
|
||||
],
|
||||
}
|
||||
6
code/week08/.gitignore
vendored
Normal file
6
code/week08/.gitignore
vendored
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
dist-newstyle/
|
||||
oracle.cid
|
||||
W2.cid
|
||||
W3.cid
|
||||
W4.cid
|
||||
W5.cid
|
||||
201
code/week08/LICENSE
Normal file
201
code/week08/LICENSE
Normal file
|
|
@ -0,0 +1,201 @@
|
|||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
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|
||||
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145
code/week08/cabal.project
Normal file
145
code/week08/cabal.project
Normal file
|
|
@ -0,0 +1,145 @@
|
|||
index-state: 2021-04-13T00:00:00Z
|
||||
|
||||
packages: ./.
|
||||
|
||||
-- You never, ever, want this.
|
||||
write-ghc-environment-files: never
|
||||
|
||||
-- Always build tests and benchmarks.
|
||||
tests: true
|
||||
benchmarks: true
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/input-output-hk/plutus.git
|
||||
subdir:
|
||||
freer-extras
|
||||
playground-common
|
||||
plutus-core
|
||||
plutus-contract
|
||||
plutus-ledger
|
||||
plutus-ledger-api
|
||||
plutus-pab
|
||||
plutus-tx
|
||||
plutus-tx-plugin
|
||||
plutus-use-cases
|
||||
prettyprinter-configurable
|
||||
quickcheck-dynamic
|
||||
tag: ae35c4b8fe66dd626679bd2951bd72190e09a123
|
||||
|
||||
-- The following sections are copied from the 'plutus' repository cabal.project at the revision
|
||||
-- given above.
|
||||
-- This is necessary because the 'plutus' libraries depend on a number of other libraries which are
|
||||
-- not on Hackage, and so need to be pulled in as `source-repository-package`s themselves. Make sure to
|
||||
-- re-update this section from the template when you do an upgrade.
|
||||
|
||||
-- This is also needed so evenful-sql-common will build with a
|
||||
-- newer version of persistent. See stack.yaml for the mirrored
|
||||
-- configuration.
|
||||
package eventful-sql-common
|
||||
ghc-options: -XDerivingStrategies -XStandaloneDeriving -XUndecidableInstances -XDataKinds -XFlexibleInstances
|
||||
|
||||
allow-newer:
|
||||
-- Has a commit to allow newer aeson, not on Hackage yet
|
||||
monoidal-containers:aeson
|
||||
-- Pins to an old version of Template Haskell, unclear if/when it will be updated
|
||||
, size-based:template-haskell
|
||||
|
||||
-- The following two dependencies are needed by plutus.
|
||||
, eventful-sql-common:persistent
|
||||
, eventful-sql-common:persistent-template
|
||||
|
||||
constraints:
|
||||
-- aws-lambda-haskell-runtime-wai doesn't compile with newer versions
|
||||
aws-lambda-haskell-runtime <= 3.0.3
|
||||
-- big breaking change here, inline-r doens't have an upper bound
|
||||
, singletons < 3.0
|
||||
-- breaks eventful even more than it already was
|
||||
, persistent-template < 2.12
|
||||
|
||||
-- See the note on nix/pkgs/default.nix:agdaPackages for why this is here.
|
||||
-- (NOTE this will change to ieee754 in newer versions of nixpkgs).
|
||||
extra-packages: ieee, filemanip
|
||||
|
||||
|
||||
-- Needs some patches, but upstream seems to be fairly dead (no activity in > 1 year)
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/shmish111/purescript-bridge.git
|
||||
tag: 6a92d7853ea514be8b70bab5e72077bf5a510596
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/shmish111/servant-purescript.git
|
||||
tag: a76104490499aa72d40c2790d10e9383e0dbde63
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/input-output-hk/cardano-crypto.git
|
||||
tag: f73079303f663e028288f9f4a9e08bcca39a923e
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/input-output-hk/cardano-base
|
||||
tag: 4251c0bb6e4f443f00231d28f5f70d42876da055
|
||||
subdir:
|
||||
binary
|
||||
binary/test
|
||||
slotting
|
||||
cardano-crypto-class
|
||||
cardano-crypto-praos
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/input-output-hk/cardano-prelude
|
||||
tag: ee4e7b547a991876e6b05ba542f4e62909f4a571
|
||||
subdir:
|
||||
cardano-prelude
|
||||
cardano-prelude-test
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/input-output-hk/ouroboros-network
|
||||
tag: 6cb9052bde39472a0555d19ade8a42da63d3e904
|
||||
subdir:
|
||||
typed-protocols
|
||||
typed-protocols-examples
|
||||
ouroboros-network
|
||||
ouroboros-network-testing
|
||||
ouroboros-network-framework
|
||||
io-sim
|
||||
io-sim-classes
|
||||
network-mux
|
||||
Win32-network
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/input-output-hk/iohk-monitoring-framework
|
||||
tag: a89c38ed5825ba17ca79fddb85651007753d699d
|
||||
subdir:
|
||||
iohk-monitoring
|
||||
tracer-transformers
|
||||
contra-tracer
|
||||
plugins/backend-ekg
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/input-output-hk/cardano-ledger-specs
|
||||
tag: 097890495cbb0e8b62106bcd090a5721c3f4b36f
|
||||
subdir:
|
||||
byron/chain/executable-spec
|
||||
byron/crypto
|
||||
byron/crypto/test
|
||||
byron/ledger/executable-spec
|
||||
byron/ledger/impl
|
||||
byron/ledger/impl/test
|
||||
semantics/executable-spec
|
||||
semantics/small-steps-test
|
||||
shelley/chain-and-ledger/dependencies/non-integer
|
||||
shelley/chain-and-ledger/executable-spec
|
||||
shelley-ma/impl
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/input-output-hk/goblins
|
||||
tag: cde90a2b27f79187ca8310b6549331e59595e7ba
|
||||
6
code/week08/hie.yaml
Normal file
6
code/week08/hie.yaml
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
cradle:
|
||||
cabal:
|
||||
- path: "./src"
|
||||
component: "lib:plutus-pioneer-program-week08"
|
||||
- path: "./test"
|
||||
component: "test:plutus-pioneer-program-week08-tests"
|
||||
55
code/week08/plutus-pioneer-program-week08.cabal
Normal file
55
code/week08/plutus-pioneer-program-week08.cabal
Normal file
|
|
@ -0,0 +1,55 @@
|
|||
Cabal-Version: 2.4
|
||||
Name: plutus-pioneer-program-week08
|
||||
Version: 0.1.0.0
|
||||
Author: Lars Bruenjes
|
||||
Maintainer: brunjlar@gmail.com
|
||||
Build-Type: Simple
|
||||
Copyright: © 2021 Lars Bruenjes
|
||||
License: Apache-2.0
|
||||
License-files: LICENSE
|
||||
|
||||
library
|
||||
hs-source-dirs: src
|
||||
exposed-modules: Week08.Lens
|
||||
, Week08.QuickCheck
|
||||
, Week08.TokenSale
|
||||
build-depends: aeson
|
||||
, base ^>=4.14.1.0
|
||||
, containers
|
||||
, lens
|
||||
, playground-common
|
||||
, plutus-contract
|
||||
, plutus-ledger
|
||||
, plutus-ledger-api
|
||||
, plutus-tx-plugin
|
||||
, plutus-tx
|
||||
, plutus-use-cases
|
||||
, prettyprinter
|
||||
, QuickCheck
|
||||
, text
|
||||
default-language: Haskell2010
|
||||
ghc-options: -Wall -fobject-code -fno-ignore-interface-pragmas -fno-omit-interface-pragmas -fno-strictness -fno-spec-constr -fno-specialise
|
||||
|
||||
test-suite plutus-pioneer-program-week08-tests
|
||||
type: exitcode-stdio-1.0
|
||||
main-is: Spec.hs
|
||||
hs-source-dirs: test
|
||||
other-modules: Spec.Model
|
||||
, Spec.Trace
|
||||
default-language: Haskell2010
|
||||
ghc-options: -Wall -fobject-code -fno-ignore-interface-pragmas -fno-omit-interface-pragmas
|
||||
build-depends: base ^>=4.14.1.0
|
||||
, containers
|
||||
, data-default
|
||||
, freer-extras
|
||||
, lens
|
||||
, plutus-contract
|
||||
, plutus-ledger
|
||||
, plutus-pioneer-program-week08
|
||||
, plutus-tx
|
||||
, QuickCheck
|
||||
, tasty
|
||||
, tasty-quickcheck
|
||||
, text
|
||||
if !(impl(ghcjs) || os(ghcjs))
|
||||
build-depends: plutus-tx-plugin -any
|
||||
40
code/week08/src/Week08/Lens.hs
Normal file
40
code/week08/src/Week08/Lens.hs
Normal file
|
|
@ -0,0 +1,40 @@
|
|||
{-# LANGUAGE TemplateHaskell #-}
|
||||
|
||||
module Week08.Lens where
|
||||
|
||||
import Control.Lens
|
||||
|
||||
newtype Company = Company {_staff :: [Person]} deriving Show
|
||||
|
||||
|
||||
data Person = Person
|
||||
{ _name :: String
|
||||
, _address :: Address
|
||||
} deriving Show
|
||||
|
||||
newtype Address = Address {_city :: String} deriving Show
|
||||
|
||||
alejandro, lars :: Person
|
||||
alejandro = Person
|
||||
{ _name = "Alejandro"
|
||||
, _address = Address {_city = "Zacateca"}
|
||||
}
|
||||
lars = Person
|
||||
{ _name = "Lars"
|
||||
, _address = Address {_city = "Regensburg"}
|
||||
}
|
||||
|
||||
iohk :: Company
|
||||
iohk = Company { _staff = [alejandro, lars] }
|
||||
|
||||
goTo :: String -> Company -> Company
|
||||
goTo there c = c {_staff = map movePerson (_staff c)}
|
||||
where
|
||||
movePerson p = p {_address = (_address p) {_city = there}}
|
||||
|
||||
makeLenses ''Company
|
||||
makeLenses ''Person
|
||||
makeLenses ''Address
|
||||
|
||||
goTo' :: String -> Company -> Company
|
||||
goTo' there c = c & staff . each . address . city .~ there
|
||||
39
code/week08/src/Week08/QuickCheck.hs
Normal file
39
code/week08/src/Week08/QuickCheck.hs
Normal file
|
|
@ -0,0 +1,39 @@
|
|||
module Week08.QuickCheck where
|
||||
|
||||
import Test.QuickCheck
|
||||
|
||||
prop_simple :: Bool
|
||||
prop_simple = 2 + 2 == (4 :: Int)
|
||||
|
||||
-- Insertion sort code:
|
||||
|
||||
-- | Sort a list of integers in ascending order.
|
||||
--
|
||||
-- >>> sort [5,1,9]
|
||||
-- [1,5,9]
|
||||
--
|
||||
sort :: [Int] -> [Int] -- not correct
|
||||
sort [] = []
|
||||
sort (x:xs) = insert x $ sort xs
|
||||
|
||||
-- | Insert an integer at the right position into an /ascendingly sorted/
|
||||
-- list of integers.
|
||||
--
|
||||
-- >>> insert 5 [1,9]
|
||||
-- [1,5,9]
|
||||
--
|
||||
insert :: Int -> [Int] -> [Int] -- not correct
|
||||
insert x [] = [x]
|
||||
insert x (y:ys) | x <= y = x : y : ys
|
||||
| otherwise = y : insert x ys
|
||||
|
||||
isSorted :: [Int] -> Bool
|
||||
isSorted [] = True
|
||||
isSorted [_] = True
|
||||
isSorted (x : y : ys) = x <= y && isSorted (y : ys)
|
||||
|
||||
prop_sort_sorts :: [Int] -> Bool
|
||||
prop_sort_sorts xs = isSorted $ sort xs
|
||||
|
||||
prop_sort_preserves_length :: [Int] -> Bool
|
||||
prop_sort_preserves_length xs = length (sort xs) == length xs
|
||||
188
code/week08/src/Week08/TokenSale.hs
Normal file
188
code/week08/src/Week08/TokenSale.hs
Normal file
|
|
@ -0,0 +1,188 @@
|
|||
{-# LANGUAGE DataKinds #-}
|
||||
{-# LANGUAGE DeriveAnyClass #-}
|
||||
{-# LANGUAGE DeriveGeneric #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE MultiParamTypeClasses #-}
|
||||
{-# LANGUAGE NoImplicitPrelude #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE ScopedTypeVariables #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
{-# LANGUAGE TypeFamilies #-}
|
||||
{-# LANGUAGE TypeOperators #-}
|
||||
|
||||
module Week08.TokenSale
|
||||
( TokenSale (..)
|
||||
, TSRedeemer (..)
|
||||
, nftName
|
||||
, TSStartSchema
|
||||
, TSStartSchema'
|
||||
, TSUseSchema
|
||||
, startEndpoint
|
||||
, startEndpoint'
|
||||
, useEndpoints
|
||||
) where
|
||||
|
||||
import Control.Monad hiding (fmap)
|
||||
import Data.Aeson (FromJSON, ToJSON)
|
||||
import Data.Monoid (Last (..))
|
||||
import Data.Text (Text, pack)
|
||||
import GHC.Generics (Generic)
|
||||
import Plutus.Contract as Contract hiding (when)
|
||||
import Plutus.Contract.StateMachine
|
||||
import qualified Plutus.Contracts.Currency as C
|
||||
import qualified PlutusTx
|
||||
import PlutusTx.Prelude hiding (Semigroup(..), check, unless)
|
||||
import Ledger hiding (singleton)
|
||||
import Ledger.Ada as Ada
|
||||
import Ledger.Constraints as Constraints
|
||||
import qualified Ledger.Typed.Scripts as Scripts
|
||||
import Ledger.Value
|
||||
import Prelude (Semigroup (..), Show (..), uncurry)
|
||||
import qualified Prelude
|
||||
|
||||
data TokenSale = TokenSale
|
||||
{ tsSeller :: !PubKeyHash
|
||||
, tsToken :: !AssetClass
|
||||
, tsNFT :: !AssetClass
|
||||
} deriving (Show, Generic, FromJSON, ToJSON, Prelude.Eq, Prelude.Ord)
|
||||
|
||||
PlutusTx.makeLift ''TokenSale
|
||||
|
||||
data TSRedeemer =
|
||||
SetPrice Integer
|
||||
| AddTokens Integer
|
||||
| BuyTokens Integer
|
||||
| Withdraw Integer Integer
|
||||
deriving (Show, Prelude.Eq)
|
||||
|
||||
PlutusTx.unstableMakeIsData ''TSRedeemer
|
||||
|
||||
{-# INLINABLE lovelaces #-}
|
||||
lovelaces :: Value -> Integer
|
||||
lovelaces = Ada.getLovelace . Ada.fromValue
|
||||
|
||||
{-# INLINABLE transition #-}
|
||||
transition :: TokenSale -> State Integer -> TSRedeemer -> Maybe (TxConstraints Void Void, State Integer)
|
||||
transition ts s r = case (stateValue s, stateData s, r) of
|
||||
(v, _, SetPrice p) | p >= 0 -> Just ( Constraints.mustBeSignedBy (tsSeller ts)
|
||||
, State p $
|
||||
v <>
|
||||
nft (negate 1)
|
||||
)
|
||||
(v, p, AddTokens n) | n > 0 -> Just ( mempty
|
||||
, State p $
|
||||
v <>
|
||||
nft (negate 1) <>
|
||||
assetClassValue (tsToken ts) n
|
||||
)
|
||||
(v, p, BuyTokens n) | n > 0 -> Just ( mempty
|
||||
, State p $
|
||||
v <>
|
||||
nft (negate 1) <>
|
||||
assetClassValue (tsToken ts) (negate n) <>
|
||||
lovelaceValueOf (n * p)
|
||||
)
|
||||
(v, p, Withdraw n l) | n >= 0 && l >= 0 -> Just ( Constraints.mustBeSignedBy (tsSeller ts)
|
||||
, State p $
|
||||
v <>
|
||||
nft (negate 1) <>
|
||||
assetClassValue (tsToken ts) (negate n) <>
|
||||
lovelaceValueOf (negate l)
|
||||
)
|
||||
_ -> Nothing
|
||||
where
|
||||
nft :: Integer -> Value
|
||||
nft = assetClassValue (tsNFT ts)
|
||||
|
||||
{-# INLINABLE tsStateMachine #-}
|
||||
tsStateMachine :: TokenSale -> StateMachine Integer TSRedeemer
|
||||
tsStateMachine ts = mkStateMachine (Just $ tsNFT ts) (transition ts) (const False)
|
||||
|
||||
{-# INLINABLE mkTSValidator #-}
|
||||
mkTSValidator :: TokenSale -> Integer -> TSRedeemer -> ScriptContext -> Bool
|
||||
mkTSValidator = mkValidator . tsStateMachine
|
||||
|
||||
type TS = StateMachine Integer TSRedeemer
|
||||
|
||||
tsInst :: TokenSale -> Scripts.ScriptInstance TS
|
||||
tsInst ts = Scripts.validator @TS
|
||||
($$(PlutusTx.compile [|| mkTSValidator ||]) `PlutusTx.applyCode` PlutusTx.liftCode ts)
|
||||
$$(PlutusTx.compile [|| wrap ||])
|
||||
where
|
||||
wrap = Scripts.wrapValidator @Integer @TSRedeemer
|
||||
|
||||
tsValidator :: TokenSale -> Validator
|
||||
tsValidator = Scripts.validatorScript . tsInst
|
||||
|
||||
tsAddress :: TokenSale -> Ledger.Address
|
||||
tsAddress = scriptAddress . tsValidator
|
||||
|
||||
tsClient :: TokenSale -> StateMachineClient Integer TSRedeemer
|
||||
tsClient ts = mkStateMachineClient $ StateMachineInstance (tsStateMachine ts) (tsInst ts)
|
||||
|
||||
mapErrorC :: Contract w s C.CurrencyError a -> Contract w s Text a
|
||||
mapErrorC = mapError $ pack . show
|
||||
|
||||
mapErrorSM :: Contract w s SMContractError a -> Contract w s Text a
|
||||
mapErrorSM = mapError $ pack . show
|
||||
|
||||
nftName :: TokenName
|
||||
nftName = "NFT"
|
||||
|
||||
startTS :: HasBlockchainActions s => Maybe CurrencySymbol -> AssetClass -> Contract (Last TokenSale) s Text TokenSale
|
||||
startTS mcs token = do
|
||||
pkh <- pubKeyHash <$> Contract.ownPubKey
|
||||
cs <- case mcs of
|
||||
Nothing -> C.currencySymbol <$> mapErrorC (C.forgeContract pkh [(nftName, 1)])
|
||||
Just cs' -> return cs'
|
||||
let ts = TokenSale
|
||||
{ tsSeller = pkh
|
||||
, tsToken = token
|
||||
, tsNFT = AssetClass (cs, nftName)
|
||||
}
|
||||
client = tsClient ts
|
||||
void $ mapErrorSM $ runInitialise client 0 mempty
|
||||
tell $ Last $ Just ts
|
||||
logInfo $ "started token sale " ++ show ts
|
||||
return ts
|
||||
|
||||
setPrice :: HasBlockchainActions s => TokenSale -> Integer -> Contract w s Text ()
|
||||
setPrice ts p = void $ mapErrorSM $ runStep (tsClient ts) $ SetPrice p
|
||||
|
||||
addTokens :: HasBlockchainActions s => TokenSale -> Integer -> Contract w s Text ()
|
||||
addTokens ts n = void (mapErrorSM $ runStep (tsClient ts) $ AddTokens n)
|
||||
|
||||
buyTokens :: HasBlockchainActions s => TokenSale -> Integer -> Contract w s Text ()
|
||||
buyTokens ts n = void $ mapErrorSM $ runStep (tsClient ts) $ BuyTokens n
|
||||
|
||||
withdraw :: HasBlockchainActions s => TokenSale -> Integer -> Integer -> Contract w s Text ()
|
||||
withdraw ts n l = void $ mapErrorSM $ runStep (tsClient ts) $ Withdraw n l
|
||||
|
||||
type TSStartSchema = BlockchainActions
|
||||
.\/ Endpoint "start" (CurrencySymbol, TokenName)
|
||||
type TSStartSchema' = BlockchainActions
|
||||
.\/ Endpoint "start" (CurrencySymbol, CurrencySymbol, TokenName)
|
||||
type TSUseSchema = BlockchainActions
|
||||
.\/ Endpoint "set price" Integer
|
||||
.\/ Endpoint "add tokens" Integer
|
||||
.\/ Endpoint "buy tokens" Integer
|
||||
.\/ Endpoint "withdraw" (Integer, Integer)
|
||||
|
||||
startEndpoint :: Contract (Last TokenSale) TSStartSchema Text ()
|
||||
startEndpoint = startTS' >> startEndpoint
|
||||
where
|
||||
startTS' = handleError logError $ endpoint @"start" >>= void . startTS Nothing . AssetClass
|
||||
|
||||
startEndpoint' :: Contract (Last TokenSale) TSStartSchema' Text ()
|
||||
startEndpoint' = startTS' >> startEndpoint'
|
||||
where
|
||||
startTS' = handleError logError $ endpoint @"start" >>= \(cs1, cs2, tn) -> void $ startTS (Just cs1) $ AssetClass (cs2, tn)
|
||||
|
||||
useEndpoints :: TokenSale -> Contract () TSUseSchema Text ()
|
||||
useEndpoints ts = (setPrice' `select` addTokens' `select` buyTokens' `select` withdraw') >> useEndpoints ts
|
||||
where
|
||||
setPrice' = handleError logError $ endpoint @"set price" >>= setPrice ts
|
||||
addTokens' = handleError logError $ endpoint @"add tokens" >>= addTokens ts
|
||||
buyTokens' = handleError logError $ endpoint @"buy tokens" >>= buyTokens ts
|
||||
withdraw' = handleError logError $ endpoint @"withdraw" >>= uncurry (withdraw ts)
|
||||
16
code/week08/test/Spec.hs
Normal file
16
code/week08/test/Spec.hs
Normal file
|
|
@ -0,0 +1,16 @@
|
|||
module Main
|
||||
( main
|
||||
) where
|
||||
|
||||
import qualified Spec.Model
|
||||
import qualified Spec.Trace
|
||||
import Test.Tasty
|
||||
|
||||
main :: IO ()
|
||||
main = defaultMain tests
|
||||
|
||||
tests :: TestTree
|
||||
tests = testGroup "token sale"
|
||||
[ Spec.Trace.tests
|
||||
, Spec.Model.tests
|
||||
]
|
||||
222
code/week08/test/Spec/Model.hs
Normal file
222
code/week08/test/Spec/Model.hs
Normal file
|
|
@ -0,0 +1,222 @@
|
|||
{-# LANGUAGE DataKinds #-}
|
||||
{-# LANGUAGE DeriveAnyClass #-}
|
||||
{-# LANGUAGE DeriveGeneric #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE FlexibleInstances #-}
|
||||
{-# LANGUAGE GADTs #-}
|
||||
{-# LANGUAGE MultiParamTypeClasses #-}
|
||||
{-# LANGUAGE NumericUnderscores #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE ScopedTypeVariables #-}
|
||||
{-# LANGUAGE StandaloneDeriving #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
{-# LANGUAGE TypeFamilies #-}
|
||||
{-# LANGUAGE TypeOperators #-}
|
||||
|
||||
module Spec.Model
|
||||
( tests
|
||||
, test
|
||||
, TSModel (..)
|
||||
) where
|
||||
|
||||
import Control.Lens hiding (elements)
|
||||
import Control.Monad (void, when)
|
||||
import Data.Map (Map)
|
||||
import qualified Data.Map as Map
|
||||
import Data.Maybe (isJust, isNothing)
|
||||
import Data.Monoid (Last (..))
|
||||
import Data.String (IsString (..))
|
||||
import Data.Text (Text)
|
||||
import Plutus.Contract.Test
|
||||
import Plutus.Contract.Test.ContractModel
|
||||
import Plutus.Trace.Emulator
|
||||
import Ledger hiding (singleton)
|
||||
import Ledger.Ada as Ada
|
||||
import Ledger.Value
|
||||
import Test.QuickCheck
|
||||
import Test.Tasty
|
||||
import Test.Tasty.QuickCheck
|
||||
|
||||
import Week08.TokenSale (TokenSale (..), TSStartSchema', TSUseSchema, startEndpoint', useEndpoints, nftName)
|
||||
|
||||
data TSState = TSState
|
||||
{ _tssPrice :: !Integer
|
||||
, _tssLovelace :: !Integer
|
||||
, _tssToken :: !Integer
|
||||
} deriving Show
|
||||
|
||||
makeLenses ''TSState
|
||||
|
||||
newtype TSModel = TSModel {_tsModel :: Map Wallet TSState}
|
||||
deriving Show
|
||||
|
||||
makeLenses ''TSModel
|
||||
|
||||
tests :: TestTree
|
||||
tests = testProperty "token sale model" prop_TS
|
||||
|
||||
instance ContractModel TSModel where
|
||||
|
||||
data Action TSModel =
|
||||
Start Wallet
|
||||
| SetPrice Wallet Wallet Integer
|
||||
| AddTokens Wallet Wallet Integer
|
||||
| Withdraw Wallet Wallet Integer Integer
|
||||
| BuyTokens Wallet Wallet Integer
|
||||
deriving (Show, Eq)
|
||||
|
||||
data ContractInstanceKey TSModel w s e where
|
||||
StartKey :: Wallet -> ContractInstanceKey TSModel (Last TokenSale) TSStartSchema' Text
|
||||
UseKey :: Wallet -> Wallet -> ContractInstanceKey TSModel () TSUseSchema Text
|
||||
|
||||
instanceTag key _ = fromString $ "instance tag for: " ++ show key
|
||||
|
||||
arbitraryAction _ = oneof $
|
||||
(Start <$> genWallet) :
|
||||
[ SetPrice <$> genWallet <*> genWallet <*> genNonNeg ] ++
|
||||
[ AddTokens <$> genWallet <*> genWallet <*> genNonNeg ] ++
|
||||
[ BuyTokens <$> genWallet <*> genWallet <*> genNonNeg ] ++
|
||||
[ Withdraw <$> genWallet <*> genWallet <*> genNonNeg <*> genNonNeg ]
|
||||
|
||||
initialState = TSModel Map.empty
|
||||
|
||||
nextState (Start w) = do
|
||||
withdraw w $ nfts Map.! w
|
||||
(tsModel . at w) $= Just (TSState 0 0 0)
|
||||
wait 1
|
||||
|
||||
nextState (SetPrice v w p) = do
|
||||
when (v == w) $
|
||||
(tsModel . ix v . tssPrice) $= p
|
||||
wait 1
|
||||
|
||||
nextState (AddTokens v w n) = do
|
||||
started <- hasStarted v -- has the token sale started?
|
||||
when (n > 0 && started) $ do
|
||||
bc <- askModelState $ view $ balanceChange w
|
||||
let token = tokens Map.! v
|
||||
when (tokenAmt + assetClassValueOf bc token >= n) $ do -- does the wallet have the tokens to give?
|
||||
withdraw w $ assetClassValue token n
|
||||
(tsModel . ix v . tssToken) $~ (+ n)
|
||||
wait 1
|
||||
|
||||
nextState (BuyTokens v w n) = do
|
||||
when (n > 0) $ do
|
||||
m <- getTSState v
|
||||
case m of
|
||||
Just t
|
||||
| t ^. tssToken >= n -> do
|
||||
let p = t ^. tssPrice
|
||||
l = p * n
|
||||
withdraw w $ lovelaceValueOf l
|
||||
deposit w $ assetClassValue (tokens Map.! v) n
|
||||
(tsModel . ix v . tssLovelace) $~ (+ l)
|
||||
(tsModel . ix v . tssToken) $~ (+ (- n))
|
||||
_ -> return ()
|
||||
wait 1
|
||||
|
||||
nextState (Withdraw v w n l) = do
|
||||
when (v == w) $ do
|
||||
m <- getTSState v
|
||||
case m of
|
||||
Just t
|
||||
| t ^. tssToken >= n && t ^. tssLovelace >= l -> do
|
||||
deposit w $ lovelaceValueOf l <> assetClassValue (tokens Map.! w) n
|
||||
(tsModel . ix v . tssLovelace) $~ (+ (- l))
|
||||
(tsModel . ix v . tssToken) $~ (+ (- n))
|
||||
_ -> return ()
|
||||
wait 1
|
||||
|
||||
perform h _ cmd = case cmd of
|
||||
(Start w) -> callEndpoint @"start" (h $ StartKey w) (nftCurrencies Map.! w, tokenCurrencies Map.! w, tokenNames Map.! w) >> delay 1
|
||||
(SetPrice v w p) -> callEndpoint @"set price" (h $ UseKey v w) p >> delay 1
|
||||
(AddTokens v w n) -> callEndpoint @"add tokens" (h $ UseKey v w) n >> delay 1
|
||||
(BuyTokens v w n) -> callEndpoint @"buy tokens" (h $ UseKey v w) n >> delay 1
|
||||
(Withdraw v w n l) -> callEndpoint @"withdraw" (h $ UseKey v w) (n, l) >> delay 1
|
||||
|
||||
precondition s (Start w) = isNothing $ getTSState' s w
|
||||
precondition s (SetPrice v _ _) = isJust $ getTSState' s v
|
||||
precondition s (AddTokens v _ _) = isJust $ getTSState' s v
|
||||
precondition s (BuyTokens v _ _) = isJust $ getTSState' s v
|
||||
precondition s (Withdraw v _ _ _) = isJust $ getTSState' s v
|
||||
|
||||
deriving instance Eq (ContractInstanceKey TSModel w s e)
|
||||
deriving instance Show (ContractInstanceKey TSModel w s e)
|
||||
|
||||
getTSState' :: ModelState TSModel -> Wallet -> Maybe TSState
|
||||
getTSState' s v = s ^. contractState . tsModel . at v
|
||||
|
||||
getTSState :: Wallet -> Spec TSModel (Maybe TSState)
|
||||
getTSState v = do
|
||||
s <- getModelState
|
||||
return $ getTSState' s v
|
||||
|
||||
hasStarted :: Wallet -> Spec TSModel Bool
|
||||
hasStarted v = isJust <$> getTSState v
|
||||
|
||||
w1, w2 :: Wallet
|
||||
w1 = Wallet 1
|
||||
w2 = Wallet 2
|
||||
|
||||
wallets :: [Wallet]
|
||||
wallets = [w1, w2]
|
||||
|
||||
tokenCurrencies, nftCurrencies :: Map Wallet CurrencySymbol
|
||||
tokenCurrencies = Map.fromList $ zip wallets ["aa", "bb"]
|
||||
nftCurrencies = Map.fromList $ zip wallets ["01", "02"]
|
||||
|
||||
tokenNames :: Map Wallet TokenName
|
||||
tokenNames = Map.fromList $ zip wallets ["A", "B"]
|
||||
|
||||
tokens :: Map Wallet AssetClass
|
||||
tokens = Map.fromList [(w, AssetClass (tokenCurrencies Map.! w, tokenNames Map.! w)) | w <- wallets]
|
||||
|
||||
nftAssets :: Map Wallet AssetClass
|
||||
nftAssets = Map.fromList [(w, AssetClass (nftCurrencies Map.! w, nftName)) | w <- wallets]
|
||||
|
||||
nfts :: Map Wallet Value
|
||||
nfts = Map.fromList [(w, assetClassValue (nftAssets Map.! w) 1) | w <- wallets]
|
||||
|
||||
tss :: Map Wallet TokenSale
|
||||
tss = Map.fromList
|
||||
[ (w, TokenSale { tsSeller = pubKeyHash $ walletPubKey w
|
||||
, tsToken = tokens Map.! w
|
||||
, tsNFT = nftAssets Map.! w
|
||||
})
|
||||
| w <- wallets
|
||||
]
|
||||
|
||||
delay :: Int -> EmulatorTrace ()
|
||||
delay = void . waitNSlots . fromIntegral
|
||||
|
||||
instanceSpec :: [ContractInstanceSpec TSModel]
|
||||
instanceSpec =
|
||||
[ContractInstanceSpec (StartKey w) w startEndpoint' | w <- wallets] ++
|
||||
[ContractInstanceSpec (UseKey v w) w $ useEndpoints $ tss Map.! v | v <- wallets, w <- wallets]
|
||||
|
||||
genWallet :: Gen Wallet
|
||||
genWallet = elements wallets
|
||||
|
||||
genNonNeg :: Gen Integer
|
||||
genNonNeg = getNonNegative <$> arbitrary
|
||||
|
||||
tokenAmt :: Integer
|
||||
tokenAmt = 1_000
|
||||
|
||||
prop_TS :: Actions TSModel -> Property
|
||||
prop_TS = withMaxSuccess 100 . propRunActionsWithOptions
|
||||
(defaultCheckOptions & emulatorConfig .~ EmulatorConfig (Left d))
|
||||
instanceSpec
|
||||
(const $ pure True)
|
||||
where
|
||||
d :: InitialDistribution
|
||||
d = Map.fromList $ [ ( w
|
||||
, lovelaceValueOf 1000_000_000 <>
|
||||
(nfts Map.! w) <>
|
||||
mconcat [assetClassValue t tokenAmt | t <- Map.elems tokens])
|
||||
| w <- wallets
|
||||
]
|
||||
|
||||
test :: IO ()
|
||||
test = quickCheck prop_TS
|
||||
93
code/week08/test/Spec/Trace.hs
Normal file
93
code/week08/test/Spec/Trace.hs
Normal file
|
|
@ -0,0 +1,93 @@
|
|||
{-# LANGUAGE DataKinds #-}
|
||||
{-# LANGUAGE DeriveAnyClass #-}
|
||||
{-# LANGUAGE DeriveGeneric #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE MultiParamTypeClasses #-}
|
||||
{-# LANGUAGE NoImplicitPrelude #-}
|
||||
{-# LANGUAGE NumericUnderscores #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE ScopedTypeVariables #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
{-# LANGUAGE TypeFamilies #-}
|
||||
{-# LANGUAGE TypeOperators #-}
|
||||
|
||||
module Spec.Trace
|
||||
( tests
|
||||
, runMyTrace
|
||||
) where
|
||||
|
||||
import Control.Lens
|
||||
import Control.Monad hiding (fmap)
|
||||
import Control.Monad.Freer.Extras as Extras
|
||||
import Data.Default (Default (..))
|
||||
import qualified Data.Map as Map
|
||||
import Data.Monoid (Last (..))
|
||||
import Ledger
|
||||
import Ledger.Value
|
||||
import Ledger.Ada as Ada
|
||||
import Plutus.Contract.Test
|
||||
import Plutus.Trace.Emulator as Emulator
|
||||
import PlutusTx.Prelude
|
||||
import Prelude (IO, String, Show (..))
|
||||
import Test.Tasty
|
||||
|
||||
import Week08.TokenSale
|
||||
|
||||
tests :: TestTree
|
||||
tests = checkPredicateOptions
|
||||
(defaultCheckOptions & emulatorConfig .~ emCfg)
|
||||
"token sale trace"
|
||||
( walletFundsChange (Wallet 1) (Ada.lovelaceValueOf 10_000_000 <> assetClassValue token (-60))
|
||||
.&&. walletFundsChange (Wallet 2) (Ada.lovelaceValueOf (-20_000_000) <> assetClassValue token 20)
|
||||
.&&. walletFundsChange (Wallet 3) (Ada.lovelaceValueOf (- 5_000_000) <> assetClassValue token 5)
|
||||
)
|
||||
myTrace
|
||||
|
||||
runMyTrace :: IO ()
|
||||
runMyTrace = runEmulatorTraceIO' def emCfg myTrace
|
||||
|
||||
emCfg :: EmulatorConfig
|
||||
emCfg = EmulatorConfig $ Left $ Map.fromList [(Wallet w, v) | w <- [1 .. 3]]
|
||||
where
|
||||
v :: Value
|
||||
v = Ada.lovelaceValueOf 1000_000_000 <> assetClassValue token 1000
|
||||
|
||||
currency :: CurrencySymbol
|
||||
currency = "aa"
|
||||
|
||||
name :: TokenName
|
||||
name = "A"
|
||||
|
||||
token :: AssetClass
|
||||
token = AssetClass (currency, name)
|
||||
|
||||
myTrace :: EmulatorTrace ()
|
||||
myTrace = do
|
||||
h <- activateContractWallet (Wallet 1) startEndpoint
|
||||
callEndpoint @"start" h (currency, name)
|
||||
void $ Emulator.waitNSlots 5
|
||||
Last m <- observableState h
|
||||
case m of
|
||||
Nothing -> Extras.logError @String "error starting token sale"
|
||||
Just ts -> do
|
||||
Extras.logInfo $ "started token sale " ++ show ts
|
||||
|
||||
h1 <- activateContractWallet (Wallet 1) $ useEndpoints ts
|
||||
h2 <- activateContractWallet (Wallet 2) $ useEndpoints ts
|
||||
h3 <- activateContractWallet (Wallet 3) $ useEndpoints ts
|
||||
|
||||
callEndpoint @"set price" h1 1_000_000
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"add tokens" h1 100
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"buy tokens" h2 20
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"buy tokens" h3 5
|
||||
void $ Emulator.waitNSlots 5
|
||||
|
||||
callEndpoint @"withdraw" h1 (40, 10_000_000)
|
||||
void $ Emulator.waitNSlots 5
|
||||
Loading…
Reference in a new issue